Update trainers to compute loss over low_res_mask#669
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Update trainers to compute loss over low_res_mask#669
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| h, w = y_one_hot.shape[-2:] | ||
| padh = self.model.sam.image_encoder.img_size - h | ||
| padw = self.model.sam.image_encoder.img_size - w | ||
| y_one_hot = F.pad(input=y_one_hot, pad=(0, padw, 0, padh)) |
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Is this not just ResizeLongsetSide until here? Can't we just use it instead of duplicating the code?
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It's because of one parameter that I have to remplement this: (they set antialias to True, which for labels here, we need to set to False.) https://github.com/facebookresearch/segment-anything/blob/main/segment_anything/utils/transforms.py#L63-L65
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Also to add: with ResizeLongestSide, it's still a two stage agenda: (taking LIVECell (images of shape (520, 704) as an example)
ResizeLongestSidewould only adjust the inputs to the longest side: (eg.(520, 704)-?(720, 1024)).- There's still the next stage where the padding takes place to complete the image shape to the desired input shape: (eg.
(720, 1024)->(1024, 1024))
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I see, makes sense!
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I'll close this in favor of #990 |
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